package com.example.firstfive;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;

import androidx.annotation.NonNull;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

public class MyAdapter extends ArrayAdapter {
      public MyAdapter(@NonNull Context context, int resource, ArrayList<HashMap<String,String>>
              list){
         super(context,resource,list);
      }


    @NonNull
    @Override
    public View getView(int position,@NonNull View convertView,@NonNull ViewGroup parent){
        View itemView =convertView;
        if(itemView==null){
            itemView= LayoutInflater.from(getContext()).inflate(R.layout.list_item,
            parent,false);
        }
        Map <String,String> map =(Map<String,String>) getItem(position);
        TextView title =(TextView)itemView.findViewById(R.id.title);
        TextView detail =(TextView)itemView.findViewById(R.id.detail);

        title.setText("币种："+map.get("cname"));
        detail.setText("汇率："+map.get("cval"));
        return itemView;
    }
}
